Ubuntu is a great Distro... but did you ever got frustrated on...
-taking too much time when setting up additional applications for Ubuntu
-apt-get is a beauty, but it is not when your internet connection is slow
-you do not have internet connection to start with
-problems with offline/slow repository servers? What would you do then? Wait?
For Desktop users, you would definitely need more applications...
How to install and setup Ubuntu 5.04 the fastest way (offline)?